<style>
	body {
		margin: 0;
	}
	#demo-frame {
		border: 0;
		width: 100%;
		background: white;
		height: 100%;
	}
</style>

<body>
	<iframe
		src="about://blank"
		frameborder="0"
		id="demo-frame"
		allowfullscreen
	></iframe>

	<script src="detached-window.js"></script>
</body>
